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Identification of Castasterone, 6-Deoxocastasterone, Typhasterol and 6-Deoxotyphasterol from the Shoots of Arabidopsis thaliana |
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| Authors: | Fujioka, Shozo Choi, Yong-Hwa Takatsuto, Suguru Yokota, Takao Li, Jianming Chory, Joanne Sakurai, Akira |
| Affiliation: | 1The Institute of Physical and Chemical Research (RIKEN) Wako-shi, Saitama, 351-01 Japan 2Department of Chemistry, Joetsu University of Education Joetsu-shi, Niigata, 943 Japan 3Department of Biosciences, Teikyo University Utsunomiya, 320 Japan 4Plant Biology Laboratory, Salk Institute La Jolla, CA 92037, U.S.A. |
| Abstract: | Endogenous brassinosteroids in the shoots of Arabidopsis thalianawere investigated. Castasterone, 6-deoxocastasterone, typhasteroland 6-deoxotyphasterol were identified by GC-MS. The co-occurrenceof 6-deoxo-brassinosteroids and 6-oxo-brassinosteroids suggeststhat there are both early and late C6-oxidation pathways ofbrassinosteroids in A. thaliana. (Received September 17, 1996; Accepted October 11, 1996) |
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